58 



Sillim. Jour., v. 6, pi. 13, f. 17. 

 Sillim. Jour., v. 14, p. 279. 

 Ts. Am. P S., v. 7, pi 7, f 3. 

 Ts. Am. P. S., v. 4, pi. 12, f. 24. 

 Conr. Mori., p. 35, pi. 16. 

 Nich. Enc Am., pi. 4, i'. 3. 

 Reeve C. Syst., pi. 89, f. 7. 

 Sillim. Jour., v. 14, p. 283, f. 13. 

 Conr. Mon., pi. 63, f. 113. 

 Poulson's Trans! . Raf., p. 39. 



i9 Unio triqueter, Raf. 

 is Unio fasciolaris, Raf. 



is Unio metallicus, Say. 

 is Unio crassus, Say. 



Unio naviformis, Lam. " 

 Unio Solenoides ? Raf. 

 Unio jEsopus, Green. 

 Obliquaria cyphia, Raf. 



Ts. Am. P. S., v. 4, pi. 12, f. 23. 



Conr. Mon. p. 45, pi. 23, f. 1. is Unio Sayi, Ward. 



Amer. Conch., pi. 35. 



Ts. Am. P. S., V. 5, pi. 4, f. 10. Unio geometricus, Lea. 

 Rossm., pi. 9, f. 131. Unio batavus, Lara, ex Lea. 



Amer. Conch., pi. 24. is Unio lata, Raf. 



Delessert, pi. 12, f. 7. Unio lacteolus, Lea. 



Delessert, pi. 19, f. 3. 

 Ts. Am. P. S., v. 8, pf. 17, f. 35. 



Conr. N. F W. Shells, pi. 5,f. 3. 

 Poulson's Transl. Raf., p. 35. 

 Voy. Coquille, pi. 15, f. 5 

 Pfeiff. Syst An., pi. 8, f. 3, 4. 

 Delessert, pi 12, f. 5 

 Mich. Comp., p. 167, pi. 16, f. 30. 

 Rossm., f. 769. 

 Conr. Mon., p. 42, pi. 21. 

 Sillim. Jour., v. 6, pi. 13, f. 13. 

 Ann. G. des S. Phy., v. 5, p. 31. 

 Tf. Am. P. S., v. 6, pi. 1 8, f. 57. 

 Ts. Am. P. S., v. 6, pi. 24, f. 1 13. 

 Chenu, pi. 23, f. 6. 



Ts. Am. P. S., v. 3, pi. 4, f. 3. 

 Ts. Am. P. S., v. 6, pi. 17, f. 54 

 Ts. Am. P. S., v. 5, pi. 10, f. 29. 

 Conr. Mon., p. 84, pi. 46, f. 2. 

 Ts. Am. P. S., v. 4, pl.9,f. 14. 

 Ts. Am. P. S., v. 8, pi. 15, f. 30. 

 Voy. a Meroe, v. 2, pi. 61, f. (5, 7. 

 Ts. Am. P. S.,v.4,pl 9,f. 13. 



Unio Modioliformis, Lea. 

 is Unio lineolatus, Raf. 

 is Unio auratus, Swain, 

 is Margaritana Bonellii, Fer. 



Unio pictoram, Lam. ex Lea. 

 is Uuio Moquinianus, D'jpuy. 

 Unio gibbosus, Barnes. 

 Unio mucronatus, Barnes. 

 Unio nasnta, Lam. 



is Unio plicatus, Say. 

 is Unio nervosa, Raf. 

 is Unio bullatus, Raf. 



is Unio obliquus, Lam. 



is Unio truncatuH, Raf. 



